Computerized Variable Compression Ratio Diesel Engine Test Rig

Model AMEL008

DESCRIPTION:-  

The setup consists of single cylinder, four stroke diesel engine connected to dynamometer for loading. It is provided with necessary equipment and instruments for combustion pressure, and crank-angle measurements. These signals are interfaced to computer for P- & P-V diagrams. The set-up also consists of air intake, fuel measuring unit, temperature measuring unit and exhaust gas calorimeter with temperature measurement system. An arrangement is provided for changing the compression ratio of the engine by increasing the clearance volume of the engine. The setup enables study of engine performance for brake power, indicated power, frictional power, BMEP, IMEP, brake thermal efficiency, indicated thermal efficiency, Mechanical efficiency, volumetric efficiency, specific fuel consumption, A/F ratio and heat balance. The educational software and data logging package has been developed for this unit. It is compatible to interfacing unit. It provides a comprehensive educational software environment within which the investigations can be performed. Interfacing the set up with computer using software can do the real time data acquisition. Data can be transferred in Excel Files for further calculations, plotting graphs, printing etc. Sample readings can be tabulated according to requirement of experiment under study and results obtained can be compared.

 EXPERIMENTATION:

·         To determine Brake Power, fuel consumption and calculate specific fuel consumption, BMEP, Brake Thermal Efficiency at various loads.

·         To determine Air Intake and calculate volumetric efficiency, A/F ratio

·         To determine Indicated Power and calculate Friction Power, IMEP, Indicated Thermal Efficiency & Mechanical Efficiency.

·         To study of Engine Performance and study of pressure v/s crank angle (P-) and pressure v/s volume (P-V), plot under various loads.

 UTILITIES REQUIRED :

·         Continuous Clean and Soft Water Supply @ 300 LPH (max.) for engine and 600 LPH at 2kg/cm² for Hydraulic Brake Dynamometer. Provide ½” BSP size connection.

·         Fuel: 10 Ltrs. Per run, Lubricating Oil: 5 Ltrs.

·         Electric supply 220V AC, 50 Hz, 5-15 Amp, Single Phase

·         Computer System: i-3 processor with DVD Drive, Windows 7 and MS Office pre-loaded. One USB slot required in PC for Data Acquisition Card.

 TECHNICAL DETAILS :

·         Type of Engine : VCR Single cylinder, Four stroke Water Cooled Diesel Engine, Make: Kirloskar (Model: TV-1)

·          Type of Loading : With Rope Brake Dynamometer or Electrical Brake Dynamometer or With Eddy Current Dynamometer  or With Hydraulic Brake Dynamometer

·         Air Intake Measuring System : Air tank fitted with Air Flow Transmitter

·         Fuel Measuring System : Fuel measuring system consists of a fuel tank, Fuel Sensor.

·         Combustion Pressure Sensor : Piezoelectric Sensor with low noise cable.

·         Crank Angle Sensor : Resolution 1° with TDC pulse.

·         Torque Measurement : Load Cell with Transmitter.

·         Temperature Sensor : Temperature Sensors with Transmitters.

·         Water Flow Measurement : By Rotameters for engine and calorimeter

·          Exhaust Gas Calorimeter : Pipe in pipe type made of Stainless Steel, insulated with ceramic wool

 and aluminum cladding

·          Engine Interface : Load Transmitter, Temperature Transmitter, Air Flow Transmitter, Fuel Flow Transmitter, Combustion Pressure Sensor, Crank Angle Sensor

·         An ENGLISH instruction manual consisting of experimental procedures, block diagram etc. will be provided along with the Apparatus

·         The whole set-up is well designed and arranged on a rigid structure painted with industrial PU Paint.